CN110544478A - System and method for intelligent far-field voice interaction of cockpit - Google Patents
System and method for intelligent far-field voice interaction of cockpit Download PDFInfo
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- CN110544478A CN110544478A CN201911064735.XA CN201911064735A CN110544478A CN 110544478 A CN110544478 A CN 110544478A CN 201911064735 A CN201911064735 A CN 201911064735A CN 110544478 A CN110544478 A CN 110544478A
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- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000003993 interaction Effects 0.000 title claims abstract description 18
- 238000004891 communication Methods 0.000 claims abstract description 35
- 230000008569 process Effects 0.000 claims abstract description 17
- 238000012545 processing Methods 0.000 claims abstract description 16
- 238000007781 pre-processing Methods 0.000 claims description 6
- 230000004807 localization Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005316 response function Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/28—Constructional details of speech recognition systems
- G10L15/30—Distributed recognition, e.g. in client-server systems, for mobile phones or network applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/08—Constructional details, e.g. cabinet
- H04B1/082—Constructional details, e.g. cabinet to be used in vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/48—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for in-vehicle communication
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- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses a system and a method for intelligent far-field voice interaction of a cockpit, which solve the technical problem of higher cost of intelligent voice multimedia of the cockpit, and the key points of the technical scheme are that a vehicle-mounted radio collects voice instructions after being awakened by an awakening word and transmits the voice instructions to a mobile terminal, the mobile terminal prepares data to be played according to the voice instructions and transmits the data to the vehicle-mounted radio through a communication module, and the vehicle-mounted radio plays the data to be played; if the mobile terminal cannot process the voice command, the voice command is transmitted to the cloud server, and the cloud server processes the voice command and then transmits the processed voice command back to the mobile terminal. The ubiquitous and used mobile terminal is used as a platform for intelligent display and processing hardware, so that the cost for realizing intelligent voice is greatly reduced, and functions of intelligent voice control, automobile parameter collection and display, communication interaction between an automobile and a cloud end and the like are completed.
Description
Technical Field
The disclosure relates to the technical field of voice interaction of vehicle-mounted radios, in particular to a system and a method for intelligent far-field voice interaction of a cockpit.
Background
The vehicle-mounted radio is an indispensable functional module on the current automobile, can provide broadcasting of radio station entertainment programs in the process of the driver's posture, and eliminates fatigue and the like for the driver.
With the development of science and technology, the vehicle-mounted central control multimedia gradually replaces some entertainment and leisure functions of a radio, the vehicle-mounted central control comprises a set of high-technology hardware such as a system design screen display and a processor mainboard, but the cost of the hardware is high, and the vehicle-mounted central control multimedia has high implementation cost and no practicability in some low-price minibuses or other low-price passenger vehicles. Meanwhile, as voice functions become more and more popular, demands for voice functions on automobiles become more and more intense, and these demands are difficult to be fulfilled on low-price automobile models because of the absence of a central control platform with high processing capability.
Disclosure of Invention
the invention provides a system and a method for intelligent far-field voice interaction of a cockpit, which achieve the technical aim of realizing intelligent voice multimedia of an automobile cockpit at lower cost.
the technical purpose of the present disclosure is achieved by the following technical solutions:
A system for cockpit intelligent far-field voice interaction, comprising:
The vehicle-mounted radio receives the awakening words, acquires voice instructions and transmits the voice instructions to the mobile terminal; playing data to be played;
The mobile terminal prepares data to be played according to the voice command and transmits the data to be played to the vehicle-mounted radio, or
transmitting the voice instruction to a cloud server;
and the cloud server analyzes and processes the voice command to obtain a processing result, and transmits the processing result to the mobile terminal.
further, the system comprises a can bus module, wherein the can bus module collects automobile parameter data and transmits the automobile parameter data to the vehicle-mounted radio, and the vehicle-mounted radio receives the automobile parameter data and transmits the automobile parameter data to the mobile terminal.
Further, the car radio includes:
the microphone array is used for acquiring a voice instruction and transmitting the voice instruction to a far-field voice chip;
the far-field voice chip is used for preprocessing the voice command and transmitting the preprocessed voice command to the first communication module;
the first communication module is used for sending the voice command and the automobile parameter data to the mobile terminal;
and the power amplifier module plays the data to be played.
further, the mobile terminal comprises a second communication module, and the second communication module receives the voice command and the automobile parameter data of the first communication module.
further, the first communication module and the second communication module both comprise bluetooth units.
Further, the far-field speech chip includes:
The off-line unit responds to the received voice command when the mobile terminal is off-line;
And the online unit responds to the received voice command when the mobile terminal is online.
Furthermore, the microphone array comprises a sound source positioning unit, the sound source positioning unit positions the sound source of the awakening word, and the vehicle-mounted radio is awakened when the emitting position of the awakening word is consistent with a preset position.
a method for intelligent far-field voice interaction of a cockpit comprises the following steps:
The vehicle-mounted radio receives the awakening words to be awakened;
the vehicle-mounted radio collects voice instructions and transmits the voice instructions to the mobile terminal;
the mobile terminal prepares data to be played according to the voice instruction and transmits the data to be played to the vehicle-mounted radio, or
Transmitting the voice instruction to a cloud server;
the cloud server analyzes and processes the voice command to obtain a processing result, and the cloud server transmits the processing result to the mobile terminal.
Further, automobile parameter data are collected and transmitted to the vehicle-mounted radio, and the vehicle-mounted radio receives the automobile parameter data and transmits the automobile parameter data to the mobile terminal.
Further, the working process of the car radio comprises the following steps:
Collecting a voice instruction;
preprocessing the voice instruction;
Sending the preprocessed voice command and/or the preprocessed automobile parameter data to a mobile terminal;
And playing the data to be played.
Furthermore, the connection mode of the mobile terminal and the vehicle-mounted radio comprises Bluetooth connection.
Further, the car radio responds to the received voice command when the mobile terminal is off-line or on-line.
Furthermore, the vehicle-mounted radio locates the sound source of the awakening word, and the vehicle-mounted radio is awakened when the sending position of the awakening word is consistent with the preset position.
In conclusion, the beneficial effects of the present disclosure are: the vehicle-mounted radio collects a voice command after being awakened by the awakening word and transmits the voice command to the mobile terminal, the mobile terminal prepares data to be played according to the voice command and transmits the data to the vehicle-mounted radio through the communication module, and the vehicle-mounted radio plays the data to be played; if the mobile terminal cannot process the voice command, the voice command is transmitted to the cloud server, the cloud server processes the voice command and then transmits the processed voice command back to the mobile terminal, and the mobile terminal transmits the processed voice command to the vehicle-mounted radio.
according to the scheme, a vehicle-mounted multimedia display system with high cost is abandoned, and a mobile terminal which is ubiquitous and used is used as a platform for intelligent display and processing hardware, so that the cost for realizing intelligent voice is greatly reduced, and functions of intelligent voice control, automobile parameter collection and display, automobile and cloud communication interaction and the like are completed.
drawings
FIG. 1 is a schematic diagram of an embodiment of the disclosed system;
FIG. 2 is a schematic diagram of a second embodiment of the disclosed system;
FIG. 3 is a flow chart of an embodiment of the disclosed method;
FIG. 4 is a flowchart illustrating an embodiment of the disclosed method.
Detailed Description
the present disclosure is described in further detail below with reference to the attached drawing figures.
It is to be understood that in the description of the present disclosure, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated, but merely as distinguishing between different components.
fig. 1 is a schematic view of an embodiment of the system of the present disclosure, and as shown in fig. 1, the cockpit intelligent far-field speech interaction system includes a vehicle-mounted radio, a mobile terminal, and a cloud server. Fig. 2 is a schematic diagram of a second embodiment of the system of the present disclosure, which includes a car radio, a mobile terminal, a can bus module, and a cloud server.
The vehicle-mounted radio mainly comprises a microphone array, a far-field voice chip, a first communication module and a power amplifier module; the mobile terminal comprises a second communication module and is used for data transmission with the first communication module. The microphone array collects voice instructions and transmits the voice instructions to the far-field voice chip, wherein the voice instructions comprise opening and closing of a vehicle window, playing of songs, audio books and the like. The far-field voice chip is a chip capable of processing an audio algorithm, and the functions of the far-field voice chip include, but are not limited to, an echo cancellation function (eliminating sound sent back to a microphone by a loudspeaker in a vehicle), a keyword voice wake-up function, an offline voice instruction response function and the like, and the far-field voice chip preprocesses a voice instruction and then transmits the preprocessed voice instruction to the first communication module. In addition, when the microphone array collects the awakening words, for example, the awakening words are small-dimension and are transmitted to the far-field voice chip, and the vehicle-mounted radio is awakened after the far-field voice chip identifies the words.
After the can bus module collects the automobile parameter data, the automobile parameter data are transmitted to the first communication module, and the automobile parameter data comprise automobile control data, such as temperature control, window opening and closing and the like. And after receiving the voice command and the automobile parameter data, the first communication module sends the voice command and the automobile parameter data to a second communication module of the mobile terminal. After the second communication module receives the voice command and the automobile parameter data, the mobile terminal makes a corresponding response.
If the voice instruction received by the second communication module is ' play Zhou Jilun ' Williamsburg ', and if the mobile terminal has the audio file (namely the data to be played) of the song, the audio file can be directly transmitted to the first audio module through the second communication receiving module and then played by the power amplifier module. If the voice instruction received by the second communication module cannot find the corresponding data or file in the mobile terminal, the mobile terminal sends the voice instruction to the cloud server, the cloud server correspondingly processes the voice instruction, finds the corresponding data file and transmits the data file to the mobile terminal, the mobile terminal transmits the data file to the first communication module through the second communication module of the mobile terminal, and the vehicle-mounted radio is played by the power amplifier module after receiving the data file. The same is true for the vehicle parameter data received by the second communication module. First communication module and second communication module include the bluetooth unit, mainly utilize bluetooth equipment advantage on short distance communication, and high-efficient swift with low costs. Here, the mobile terminal broadly includes a mobile phone, a notebook, a tablet, a POS, and the like, and generally, the contents of the present disclosure can be implemented using a mobile phone as a mobile terminal.
The system selects the microphone array to collect audio data such as voice instructions, and mainly has the advantages of positioning a sound source and directionally receiving sound, so that the voice instructions can be collected more accurately and clearly. Therefore, a sound source positioning unit is arranged in the microphone array, the sound source positioning unit can position a sound source of the voice instruction and can also position a sound source of the awakening word, and the vehicle-mounted radio is awakened if the sending position of the awakening word is consistent with the preset position, or the vehicle-mounted radio is not awakened. For example, the preset position of the wake-up word is the main driving position, when the car radio receives the wake-up word 'small dimension' from the main driving position, the car radio is woken up, and if the wake-up word from the auxiliary driving position is received, the car radio cannot be woken up.
the far-field voice chip comprises an off-line unit and an on-line unit, and processes the received voice command according to whether the mobile terminal is on line or not. When the mobile terminal is off-line, the off-line unit can process the received basic voice command, such as voice commands of opening and closing a vehicle window and adjusting the temperature in the vehicle, but cannot process voice commands of playing audio and the like which do not exist in the vehicle-mounted radio. The situation when the mobile terminal is online is as described above.
fig. 3 and 4 are flowcharts of a first and a second embodiments of the method of the present disclosure, as shown in fig. 3, the car radio receives a voice command after a wakeup word is awakened and transmits the voice command to the mobile terminal; the mobile terminal prepares data to be played according to the voice command and then transmits the data to be played to the vehicle-mounted radio. Or the mobile terminal transmits the voice instruction to the cloud server, the cloud server analyzes and processes the voice instruction to obtain a processing result, the cloud server transmits the processing result to the mobile terminal, and the mobile terminal transmits the processing result to the vehicle-mounted radio for playing.
As shown in fig. 4, in addition to collecting the voice command, the vehicle parameter data is also collected and transmitted to the vehicle-mounted radio, and then the vehicle-mounted radio transmits the vehicle parameter data to the mobile terminal.
the specific working process of the vehicle-mounted radio comprises the following steps: collecting a voice instruction; preprocessing a voice instruction; sending the preprocessed voice command and/or the preprocessed automobile parameter data to the mobile terminal; and playing the data to be played. The vehicle-mounted radio and the mobile terminal are connected through Bluetooth, the vehicle-mounted radio can respond to the received voice command no matter whether the mobile terminal is on line, and if the vehicle-mounted radio receives the voice command which cannot be processed when the mobile terminal is off line, the voice command is not processed.
To sum up, this disclosure adopts innovative idea, fuses audio frequency processing, microphone array and the car radio that car self possessed, bluetooth module with far field pronunciation chip, makes it become an intelligent audio frequency module, then mobile terminal develops corresponding function APP, uses this kind of collocation to realize the cockpit multimedia of another kind of form. As the popularization of the smart phone becomes one, the cost of a screen and a high-performance processor is saved, and the whole set of scheme only needs to add one audio preprocessing chip and a plurality of microphones, so that the method has great cost advantage and brings a new solution to cheap vehicle models needing voice control multimedia in the vehicle. By matching with the functions of the mobile phone APP, the scheme can also read related automobile parameter data, and can process and display the data, so that more intelligent and convenient services such as battery power, driving habits, map navigation, charging and the like are provided for users.
The foregoing is an exemplary embodiment of the present disclosure, and the scope of the present disclosure is defined by the claims and their equivalents.
Claims (13)
1. a system for intelligent far-field voice interaction of a cockpit, comprising:
The vehicle-mounted radio receives the awakening words, acquires voice instructions and transmits the voice instructions to the mobile terminal; playing data to be played;
the mobile terminal prepares data to be played according to the voice command and transmits the data to be played to the vehicle-mounted radio, or
Transmitting the voice instruction to a cloud server;
and the cloud server analyzes and processes the voice command to obtain a processing result, and transmits the processing result to the mobile terminal.
2. The system of claim 1, comprising a can bus module, wherein the can bus module collects vehicle parameter data and transmits the vehicle parameter data to the car radio, and the car radio receives the vehicle parameter data and transmits the vehicle parameter data to a mobile terminal.
3. The system of cockpit intelligent far-field voice interaction of claim 2, wherein said car radio comprises:
The microphone array is used for acquiring a voice instruction and transmitting the voice instruction to a far-field voice chip;
the far-field voice chip is used for preprocessing the voice command and transmitting the preprocessed voice command to the first communication module;
The first communication module is used for sending the voice command and the automobile parameter data to the mobile terminal;
And the power amplifier module plays the data to be played.
4. The system of claim 3, wherein the mobile terminal comprises a second communication module, and the second communication module receives the voice command and the vehicle parameter data of the first communication module.
5. The system of claim 4, wherein the first communication module and the second communication module each comprise a Bluetooth unit.
6. The system of intelligent cockpit far-field voice interaction of claim 5, wherein said far-field voice chip comprises:
The off-line unit responds to the received voice command when the mobile terminal is off-line;
And the online unit responds to the received voice command when the mobile terminal is online.
7. The system of any one of claims 3 to 6, wherein the microphone array comprises a sound source localization unit that localizes a sound source of the wake-up word, and the on-board radio is awakened if an emitted position of the wake-up word matches a predetermined position.
8. a method for intelligent far-field voice interaction of a cockpit is characterized by comprising the following steps:
The vehicle-mounted radio receives the awakening words to be awakened;
the vehicle-mounted radio collects voice instructions and transmits the voice instructions to the mobile terminal;
the mobile terminal prepares data to be played according to the voice instruction and transmits the data to be played to the vehicle-mounted radio, or
transmitting the voice instruction to a cloud server;
the cloud server analyzes and processes the voice command to obtain a processing result, and the cloud server transmits the processing result to the mobile terminal.
9. the method of claim 8, wherein vehicle parameter data is collected and transmitted to the car radio, and the car radio receives the vehicle parameter data and transmits the vehicle parameter data to a mobile terminal.
10. The method of intelligent cockpit far-field speech interaction of claim 9, wherein the operation of said car radio comprises:
Collecting a voice instruction;
Preprocessing the voice instruction;
sending the preprocessed voice command and/or the preprocessed automobile parameter data to a mobile terminal;
And playing the data to be played.
11. The method of intelligent cockpit far-field voice interaction of claim 10, wherein the connection between the mobile terminal and the car radio comprises a bluetooth connection.
12. The method of cockpit intelligent far-field voice interaction of claim 11, where the car radio responds to received voice commands while the mobile terminal is either off-line or on-line.
13. The method according to any one of claims 8 to 12, wherein the car radio locates a sound source of the wake-up word, and the car radio is awakened if an emitting position of the wake-up word matches a preset position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911064735.XA CN110544478A (en) | 2019-11-04 | 2019-11-04 | System and method for intelligent far-field voice interaction of cockpit |
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| CN201911064735.XA CN110544478A (en) | 2019-11-04 | 2019-11-04 | System and method for intelligent far-field voice interaction of cockpit |
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| CN111179930A (en) * | 2019-12-31 | 2020-05-19 | 苏州思必驰信息科技有限公司 | Method and system for realizing intelligent voice interaction in driving process |
| CN111768774A (en) * | 2020-06-12 | 2020-10-13 | 苏州思必驰信息科技有限公司 | Voice navigation method and device and storage equipment |
| CN113949767A (en) * | 2021-09-24 | 2022-01-18 | 阿波罗智联(北京)科技有限公司 | Method, apparatus, electronic device, medium, and program product for implementing vehicle-mounted interaction |
| CN115118816A (en) * | 2021-10-22 | 2022-09-27 | 博泰车联网科技(上海)股份有限公司 | Voice interaction method and system based on position |
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